Selects which rows in the hypocenter determination to keep during non-linear itaerations based on robust rsidual elimination.
Rowz2Keep(Ldat, EQ, G1, RESMAX)List of station arrivals
Earthquake location
derivative and travel time estimates
2-vector for P and S-wave residual maxima
Index of good rows
This is a utility used internally.
Residuals greater than the respective maxima provided are eliminated in the svd inversion. If fewer than 4 remain, the smallest 4 rows are returned.
XYlocate